NPM install error Chromedriver record _nam

System version: OS X 10.11.3

➜NPM install NPM WARN deprecated Npmconf@2.1.2:this package has been reintegrated into NPM and are now out of
date wi th respect to NPM

> chromedriver@2.21.2 install/users/user/wisedu/flow-wisedu/node_modules/chromedriver
> Node install.js

downloading Http://chromedriver.storage.googleapis.com/2.21/chromedriver_mac32.zip
Saving To/var/folders/f2/_jd2rvp15jg_pzsfr2zm7cnh0000gn/t/chromedriver/chromedriver_mac32.zip
Receiving ...
Received 781K ...
Received 1563K ...
events.js:160
      throw er;//unhandled ' error ' event
      ^

error:read econnreset at
    exports._ Errnoexception (util.js:1008:11) at
    tcp.onread (net.js:563:26)
NPM err! Darwin 15.3.0
npm err! argv "/usr/local/cellar/node/6.3.0/bin/node" "/USR/LOCAL/BIN/NPM" "Install"
npm err! Node v6.3.0
npm err! npm  v3.10.3 npm
err! code elifecycle
...

Later saw there was a issue261 that was executed after the

➜  flow-wisedu npm install chromedriver--chromedriver_cdnurl=http://cdn.npm.taobao.org/dist/chromedriver
NPM WARN deprecated Npmconf@2.1.2:this package has been reintegrated into NPM and are now out of the date with respect to npm< c2/>> chromedriver@2.21.2 install/users/user/wisedu/flow-wisedu/node_modules/chromedriver
> node Install.js

downloading http://cdn.npm.taobao.org/dist/chromedriver/2.21/chromedriver_mac32.zip
saving to /var/folders/f2/_jd2rvp15jg_pzsfr2zm7cnh0000gn/t/chromedriver/chromedriver_mac32.zip
Receiving
... Received 781K ...
Received 1563K ...
Received 2345K ...
Received 3127K ...
Received 3639K total.
Extracting zip contents
copying to target path/users/user/wisedu/flow-wisedu/node_modules/chromedriver/lib/ Chromedriver
Fixing file permissions done
. Chromedriver binary Available at/users/user/wisedu/flow-wisedu/node_modules/chromedriver/lib/chromedriver/ Chromedriver
flow-wisedu@1.0.0/users/user/wisedu/flow-wisedu

End